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Definition of Ascorbate
1. [n -S]
Medical Definition of Ascorbate
1. A salt or ester of ascorbic acid. Ascorbate oxidase, a copper-containing enzyme that catalyses the oxidation of l-ascorbic acid with O2 to l-dehydroascorbic acid. Some forms of ascorbate oxidase use NADP+ as well. Used as an antitumour enzyme. Synonym: ascorbase. (05 Mar 2000)